diff options
Diffstat (limited to 'gold/powerpc.cc')
| -rw-r--r-- | gold/powerpc.cc | 406 |
1 files changed, 338 insertions, 68 deletions
diff --git a/gold/powerpc.cc b/gold/powerpc.cc index 67c3061bb3e..e69ce192e36 100644 --- a/gold/powerpc.cc +++ b/gold/powerpc.cc @@ -7205,6 +7205,15 @@ Target_powerpc<size, big_endian>::Scan::get_reference_flags( case elfcpp::R_POWERPC_ADDR16_LO: case elfcpp::R_POWERPC_ADDR16_HI: case elfcpp::R_POWERPC_ADDR16_HA: + case elfcpp::R_PPC64_ADDR16_HIGHER34: + case elfcpp::R_PPC64_ADDR16_HIGHERA34: + case elfcpp::R_PPC64_ADDR16_HIGHEST34: + case elfcpp::R_PPC64_ADDR16_HIGHESTA34: + case elfcpp::R_PPC64_D34: + case elfcpp::R_PPC64_D34_LO: + case elfcpp::R_PPC64_D34_HI30: + case elfcpp::R_PPC64_D34_HA30: + case elfcpp::R_PPC64_D28: ref = Symbol::ABSOLUTE_REF; break; @@ -7273,6 +7282,14 @@ Target_powerpc<size, big_endian>::Scan::get_reference_flags( case elfcpp::R_POWERPC_GOT_TPREL16: case elfcpp::R_POWERPC_TLS: + case elfcpp::R_PPC64_TLSGD: + case elfcpp::R_PPC64_TLSLD: + case elfcpp::R_PPC64_TPREL34: + case elfcpp::R_PPC64_DTPREL34: + case elfcpp::R_PPC64_GOT_TLSGD34: + case elfcpp::R_PPC64_GOT_TLSLD34: + case elfcpp::R_PPC64_GOT_TPREL34: + case elfcpp::R_PPC64_GOT_DTPREL34: ref = Symbol::TLS_REF; break; @@ -7617,8 +7634,6 @@ Target_powerpc<size, big_endian>::Scan::local( case elfcpp::R_PPC64_REL16_HIGHERA34: case elfcpp::R_PPC64_REL16_HIGHEST34: case elfcpp::R_PPC64_REL16_HIGHESTA34: - break; - case elfcpp::R_PPC64_D34: case elfcpp::R_PPC64_D34_LO: case elfcpp::R_PPC64_D34_HI30: @@ -7626,7 +7641,8 @@ Target_powerpc<size, big_endian>::Scan::local( case elfcpp::R_PPC64_D28: case elfcpp::R_PPC64_PCREL34: case elfcpp::R_PPC64_PCREL28: - target->set_powerxx_stubs(); + case elfcpp::R_PPC64_TPREL34: + case elfcpp::R_PPC64_DTPREL34: break; case elfcpp::R_PPC64_TOC: @@ -7720,8 +7736,6 @@ Target_powerpc<size, big_endian>::Scan::local( case elfcpp::R_PPC64_PLT_PCREL34: case elfcpp::R_PPC64_PLT_PCREL34_NOTOC: - target->set_powerxx_stubs(); - // Fall through. case elfcpp::R_POWERPC_PLT16_LO: case elfcpp::R_POWERPC_PLT16_HI: case elfcpp::R_POWERPC_PLT16_HA: @@ -7821,8 +7835,6 @@ Target_powerpc<size, big_endian>::Scan::local( break; case elfcpp::R_PPC64_GOT_PCREL34: - target->set_powerxx_stubs(); - // Fall through. case elfcpp::R_POWERPC_GOT16: case elfcpp::R_POWERPC_GOT16_LO: case elfcpp::R_POWERPC_GOT16_HI: @@ -7871,6 +7883,7 @@ Target_powerpc<size, big_endian>::Scan::local( target->got_section(symtab, layout); break; + case elfcpp::R_PPC64_GOT_TLSGD34: case elfcpp::R_POWERPC_GOT_TLSGD16: case elfcpp::R_POWERPC_GOT_TLSGD16_LO: case elfcpp::R_POWERPC_GOT_TLSGD16_HI: @@ -7895,6 +7908,7 @@ Target_powerpc<size, big_endian>::Scan::local( } break; + case elfcpp::R_PPC64_GOT_TLSLD34: case elfcpp::R_POWERPC_GOT_TLSLD16: case elfcpp::R_POWERPC_GOT_TLSLD16_LO: case elfcpp::R_POWERPC_GOT_TLSLD16_HI: @@ -7918,6 +7932,7 @@ Target_powerpc<size, big_endian>::Scan::local( } break; + case elfcpp::R_PPC64_GOT_DTPREL34: case elfcpp::R_POWERPC_GOT_DTPREL16: case elfcpp::R_POWERPC_GOT_DTPREL16_LO: case elfcpp::R_POWERPC_GOT_DTPREL16_HI: @@ -7930,6 +7945,7 @@ Target_powerpc<size, big_endian>::Scan::local( } break; + case elfcpp::R_PPC64_GOT_TPREL34: case elfcpp::R_POWERPC_GOT_TPREL16: case elfcpp::R_POWERPC_GOT_TPREL16_LO: case elfcpp::R_POWERPC_GOT_TPREL16_HI: @@ -8121,6 +8137,52 @@ Target_powerpc<size, big_endian>::Scan::local( case elfcpp::R_PPC64_TOC16: case elfcpp::R_PPC64_TOC16_DS: ppc_object->set_has_small_toc_reloc(); + break; + default: + break; + } + + switch (r_type) + { + case elfcpp::R_POWERPC_TPREL16: + case elfcpp::R_POWERPC_TPREL16_LO: + case elfcpp::R_POWERPC_TPREL16_HI: + case elfcpp::R_POWERPC_TPREL16_HA: + case elfcpp::R_PPC64_TPREL16_DS: + case elfcpp::R_PPC64_TPREL16_LO_DS: + case elfcpp::R_PPC64_TPREL16_HIGH: + case elfcpp::R_PPC64_TPREL16_HIGHA: + case elfcpp::R_PPC64_TPREL16_HIGHER: + case elfcpp::R_PPC64_TPREL16_HIGHERA: + case elfcpp::R_PPC64_TPREL16_HIGHEST: + case elfcpp::R_PPC64_TPREL16_HIGHESTA: + case elfcpp::R_PPC64_TPREL34: + layout->set_has_static_tls(); + break; + default: + break; + } + + switch (r_type) + { + case elfcpp::R_PPC64_D34: + case elfcpp::R_PPC64_D34_LO: + case elfcpp::R_PPC64_D34_HI30: + case elfcpp::R_PPC64_D34_HA30: + case elfcpp::R_PPC64_D28: + case elfcpp::R_PPC64_PCREL34: + case elfcpp::R_PPC64_PCREL28: + case elfcpp::R_PPC64_TPREL34: + case elfcpp::R_PPC64_DTPREL34: + case elfcpp::R_PPC64_PLT_PCREL34: + case elfcpp::R_PPC64_PLT_PCREL34_NOTOC: + case elfcpp::R_PPC64_GOT_PCREL34: + case elfcpp::R_PPC64_GOT_TLSGD34: + case elfcpp::R_PPC64_GOT_TLSLD34: + case elfcpp::R_PPC64_GOT_DTPREL34: + case elfcpp::R_PPC64_GOT_TPREL34: + target->set_powerxx_stubs(); + break; default: break; } @@ -8217,8 +8279,6 @@ Target_powerpc<size, big_endian>::Scan::global( case elfcpp::R_PPC64_REL16_HIGHERA34: case elfcpp::R_PPC64_REL16_HIGHEST34: case elfcpp::R_PPC64_REL16_HIGHESTA34: - break; - case elfcpp::R_PPC64_D34: case elfcpp::R_PPC64_D34_LO: case elfcpp::R_PPC64_D34_HI30: @@ -8226,7 +8286,8 @@ Target_powerpc<size, big_endian>::Scan::global( case elfcpp::R_PPC64_D28: case elfcpp::R_PPC64_PCREL34: case elfcpp::R_PPC64_PCREL28: - target->set_powerxx_stubs(); + case elfcpp::R_PPC64_TPREL34: + case elfcpp::R_PPC64_DTPREL34: break; case elfcpp::R_PPC64_TOC: @@ -8364,8 +8425,6 @@ Target_powerpc<size, big_endian>::Scan::global( case elfcpp::R_PPC64_PLT_PCREL34: case elfcpp::R_PPC64_PLT_PCREL34_NOTOC: - target->set_powerxx_stubs(); - // Fall through. case elfcpp::R_POWERPC_PLT16_LO: case elfcpp::R_POWERPC_PLT16_HI: case elfcpp::R_POWERPC_PLT16_HA: @@ -8499,8 +8558,6 @@ Target_powerpc<size, big_endian>::Scan::global( break; case elfcpp::R_PPC64_GOT_PCREL34: - target->set_powerxx_stubs(); - // Fall through. case elfcpp::R_POWERPC_GOT16: case elfcpp::R_POWERPC_GOT16_LO: case elfcpp::R_POWERPC_GOT16_HI: @@ -8559,6 +8616,7 @@ Target_powerpc<size, big_endian>::Scan::global( target->got_section(symtab, layout); break; + case elfcpp::R_PPC64_GOT_TLSGD34: case elfcpp::R_POWERPC_GOT_TLSGD16: case elfcpp::R_POWERPC_GOT_TLSGD16_LO: case elfcpp::R_POWERPC_GOT_TLSGD16_HI: @@ -8607,6 +8665,7 @@ Target_powerpc<size, big_endian>::Scan::global( } break; + case elfcpp::R_PPC64_GOT_TLSLD34: case elfcpp::R_POWERPC_GOT_TLSLD16: case elfcpp::R_POWERPC_GOT_TLSLD16_LO: case elfcpp::R_POWERPC_GOT_TLSLD16_HI: @@ -8630,6 +8689,7 @@ Target_powerpc<size, big_endian>::Scan::global( } break; + case elfcpp::R_PPC64_GOT_DTPREL34: case elfcpp::R_POWERPC_GOT_DTPREL16: case elfcpp::R_POWERPC_GOT_DTPREL16_LO: case elfcpp::R_POWERPC_GOT_DTPREL16_HI: @@ -8649,6 +8709,7 @@ Target_powerpc<size, big_endian>::Scan::global( } break; + case elfcpp::R_PPC64_GOT_TPREL34: case elfcpp::R_POWERPC_GOT_TPREL16: case elfcpp::R_POWERPC_GOT_TPREL16_LO: case elfcpp::R_POWERPC_GOT_TPREL16_HI: @@ -8834,6 +8895,52 @@ Target_powerpc<size, big_endian>::Scan::global( case elfcpp::R_PPC64_TOC16: case elfcpp::R_PPC64_TOC16_DS: ppc_object->set_has_small_toc_reloc(); + break; + default: + break; + } + + switch (r_type) + { + case elfcpp::R_POWERPC_TPREL16: + case elfcpp::R_POWERPC_TPREL16_LO: + case elfcpp::R_POWERPC_TPREL16_HI: + case elfcpp::R_POWERPC_TPREL16_HA: + case elfcpp::R_PPC64_TPREL16_DS: + case elfcpp::R_PPC64_TPREL16_LO_DS: + case elfcpp::R_PPC64_TPREL16_HIGH: + case elfcpp::R_PPC64_TPREL16_HIGHA: + case elfcpp::R_PPC64_TPREL16_HIGHER: + case elfcpp::R_PPC64_TPREL16_HIGHERA: + case elfcpp::R_PPC64_TPREL16_HIGHEST: + case elfcpp::R_PPC64_TPREL16_HIGHESTA: + case elfcpp::R_PPC64_TPREL34: + layout->set_has_static_tls(); + break; + default: + break; + } + + switch (r_type) + { + case elfcpp::R_PPC64_D34: + case elfcpp::R_PPC64_D34_LO: + case elfcpp::R_PPC64_D34_HI30: + case elfcpp::R_PPC64_D34_HA30: + case elfcpp::R_PPC64_D28: + case elfcpp::R_PPC64_PCREL34: + case elfcpp::R_PPC64_PCREL28: + case elfcpp::R_PPC64_TPREL34: + case elfcpp::R_PPC64_DTPREL34: + case elfcpp::R_PPC64_PLT_PCREL34: + case elfcpp::R_PPC64_PLT_PCREL34_NOTOC: + case elfcpp::R_PPC64_GOT_PCREL34: + case elfcpp::R_PPC64_GOT_TLSGD34: + case elfcpp::R_PPC64_GOT_TLSLD34: + case elfcpp::R_PPC64_GOT_DTPREL34: + case elfcpp::R_PPC64_GOT_TPREL34: + target->set_powerxx_stubs(); + break; default: break; } @@ -10141,7 +10248,8 @@ Target_powerpc<size, big_endian>::Relocate::relocate( else if (r_type == elfcpp::R_POWERPC_GOT_TLSGD16 || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_LO || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_HI - || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_HA) + || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_HA + || r_type == elfcpp::R_PPC64_GOT_TLSGD34) { // First instruction of a global dynamic sequence, arg setup insn. const bool final = gsym == NULL || gsym->final_value_is_known(); @@ -10163,67 +10271,121 @@ Target_powerpc<size, big_endian>::Relocate::relocate( gold_assert(object->local_has_got_offset(r_sym, got_type)); value = object->local_got_offset(r_sym, got_type); } - value -= target->got_section()->got_base_offset(object); + if (r_type == elfcpp::R_PPC64_GOT_TLSGD34) + value += target->got_section()->address(); + else + value -= target->got_section()->got_base_offset(object); } if (tls_type == tls::TLSOPT_TO_IE) { - if (r_type == elfcpp::R_POWERPC_GOT_TLSGD16 - || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_LO) + if (r_type == elfcpp::R_PPC64_GOT_TLSGD34) { - Insn* iview = reinterpret_cast<Insn*>(view - d_offset); - Insn insn = elfcpp::Swap<32, big_endian>::readval(iview); - insn &= (1 << 26) - (1 << 16); // extract rt,ra from addi - if (size == 32) - insn |= 32 << 26; // lwz - else - insn |= 58 << 26; // ld - elfcpp::Swap<32, big_endian>::writeval(iview, insn); + Insn* iview = reinterpret_cast<Insn*>(view); + uint64_t pinsn = elfcpp::Swap<32, big_endian>::readval(iview); + pinsn <<= 32; + pinsn |= elfcpp::Swap<32, big_endian>::readval(iview + 1); + // pla -> pld + pinsn += (-2ULL << 56) + (57ULL << 26) - (14ULL << 26); + elfcpp::Swap<32, big_endian>::writeval(iview, pinsn >> 32); + elfcpp::Swap<32, big_endian>::writeval(iview + 1, + pinsn & 0xffffffff); + r_type = elfcpp::R_PPC64_GOT_TPREL34; + } + else + { + if (r_type == elfcpp::R_POWERPC_GOT_TLSGD16 + || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_LO) + { + Insn* iview = reinterpret_cast<Insn*>(view - d_offset); + Insn insn = elfcpp::Swap<32, big_endian>::readval(iview); + insn &= (1 << 26) - (1 << 16); // extract rt,ra from addi + if (size == 32) + insn |= 32 << 26; // lwz + else + insn |= 58 << 26; // ld + elfcpp::Swap<32, big_endian>::writeval(iview, insn); + } + r_type += (elfcpp::R_POWERPC_GOT_TPREL16 + - elfcpp::R_POWERPC_GOT_TLSGD16); } - r_type += (elfcpp::R_POWERPC_GOT_TPREL16 - - elfcpp::R_POWERPC_GOT_TLSGD16); } else if (tls_type == tls::TLSOPT_TO_LE) { - if (r_type == elfcpp::R_POWERPC_GOT_TLSGD16 - || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_LO) + if (r_type == elfcpp::R_PPC64_GOT_TLSGD34) { - Insn* iview = reinterpret_cast<Insn*>(view - d_offset); - Insn insn = elfcpp::Swap<32, big_endian>::readval(iview); - insn &= (1 << 26) - (1 << 21); // extract rt - if (size == 32) - insn |= addis_0_2; - else - insn |= addis_0_13; - elfcpp::Swap<32, big_endian>::writeval(iview, insn); - r_type = elfcpp::R_POWERPC_TPREL16_HA; + Insn* iview = reinterpret_cast<Insn*>(view); + uint64_t pinsn = elfcpp::Swap<32, big_endian>::readval(iview); + pinsn <<= 32; + pinsn |= elfcpp::Swap<32, big_endian>::readval(iview + 1); + // pla pcrel -> paddi r13 + pinsn += (-1ULL << 52) + (13ULL << 16); + elfcpp::Swap<32, big_endian>::writeval(iview, pinsn >> 32); + elfcpp::Swap<32, big_endian>::writeval(iview + 1, + pinsn & 0xffffffff); + r_type = elfcpp::R_PPC64_TPREL34; value = psymval->value(object, rela.get_r_addend()); } else { - Insn* iview = reinterpret_cast<Insn*>(view - d_offset); - Insn insn = nop; - elfcpp::Swap<32, big_endian>::writeval(iview, insn); - r_type = elfcpp::R_POWERPC_NONE; + if (r_type == elfcpp::R_POWERPC_GOT_TLSGD16 + || r_type == elfcpp::R_POWERPC_GOT_TLSGD16_LO) + { + Insn* iview = reinterpret_cast<Insn*>(view - d_offset); + Insn insn = elfcpp::Swap<32, big_endian>::readval(iview); + insn &= (1 << 26) - (1 << 21); // extract rt + if (size == 32) + insn |= addis_0_2; + else + insn |= addis_0_13; + elfcpp::Swap<32, big_endian>::writeval(iview, insn); + r_type = elfcpp::R_POWERPC_TPREL16_HA; + value = psymval->value(object, rela.get_r_addend()); + } + else + { + Insn* iview = reinterpret_cast<Insn*>(view - d_offset); + Insn insn = nop; + elfcpp::Swap<32, big_endian>::writeval(iview, insn); + r_type = elfcpp::R_POWERPC_NONE; + } } } } else if (r_type == elfcpp::R_POWERPC_GOT_TLSLD16 || r_type == elfcpp::R_POWERPC_GOT_TLSLD16_LO || r_type == elfcpp::R_POWERPC_GOT_TLSLD16_HI - || r_type == elfcpp::R_POWERPC_GOT_TLSLD16_HA) + || r_type == elfcpp::R_POWERPC_GOT_TLSLD16_HA + || r_type == elfcpp::R_PPC64_GOT_TLSLD34) { // First instruction of a local dynamic sequence, arg setup insn. const tls::Tls_optimization tls_type = target->optimize_tls_ld(); if (tls_type == tls::TLSOPT_NONE) { value = target->tlsld_got_offset(); - value -= target->got_section()->got_base_offset(object); + if (r_type == elfcpp::R_PPC64_GOT_TLSLD34) + value += target->got_section()->address(); + else + value -= target->got_section()->got_base_offset(object); } else { gold_assert(tls_type == tls::TLSOPT_TO_LE); - if (r_type == elfcpp::R_POWERPC_GOT_TLSLD16 - || r_type == elfcpp::R_POWERPC_GOT_TLSLD16_LO) + if (r_type == elfcpp::R_PPC64_GOT_TLSLD34) + { + Insn* iview = reinterpret_cast<Insn*>(view); + uint64_t pinsn = elfcpp::Swap<32, big_endian>::readval(iview); + pinsn <<= 32; + pinsn |= elfcpp::Swap<32, big_endian>::readval(iview + 1); + // pla pcrel -> paddi r13 + pinsn += (-1ULL << 52) + (13ULL << 16); + elfcpp::Swap<32, big_endian>::writeval(iview, pinsn >> 32); + elfcpp::Swap<32, big_endian>::writeval(iview + 1, + pinsn & 0xffffffff); + r_type = elfcpp::R_PPC64_TPREL34; + value = dtp_offset; + } + else if (r_type == elfcpp::R_POWERPC_GOT_TLSLD16 + || r_type == elfcpp::R_POWERPC_GOT_TLSLD16_LO) { Insn* iview = reinterpret_cast<Insn*>(view - d_offset); Insn insn = elfcpp::Swap<32, big_endian>::readval(iview); @@ -10248,7 +10410,8 @@ Target_powerpc<size, big_endian>::Relocate::relocate( else if (r_type == elfcpp::R_POWERPC_GOT_DTPREL16 || r_type == elfcpp::R_POWERPC_GOT_DTPREL16_LO || r_type == elfcpp::R_POWERPC_GOT_DTPREL16_HI - || r_type == elfcpp::R_POWERPC_GOT_DTPREL16_HA) + || r_type == elfcpp::R_POWERPC_GOT_DTPREL16_HA + || r_type == elfcpp::R_PPC64_GOT_DTPREL34) { // Accesses relative to a local dynamic sequence address, // no optimisation here. @@ -10262,12 +10425,16 @@ Target_powerpc<size, big_endian>::Relocate::relocate( gold_assert(object->local_has_got_offset(r_sym, GOT_TYPE_DTPREL)); value = object->local_got_offset(r_sym, GOT_TYPE_DTPREL); } - value -= target->got_section()->got_base_offset(object); + if (r_type == elfcpp::R_PPC64_GOT_DTPREL34) + value += target->got_section()->address(); + else + value -= target->got_section()->got_base_offset(object); } else if (r_type == elfcpp::R_POWERPC_GOT_TPREL16 || r_type == elfcpp::R_POWERPC_GOT_TPREL16_LO || r_type == elfcpp::R_POWERPC_GOT_TPREL16_HI - || r_type == elfcpp::R_POWERPC_GOT_TPREL16_HA) + || r_type == elfcpp::R_POWERPC_GOT_TPREL16_HA + || r_type == elfcpp::R_PPC64_GOT_TPREL34) { // First instruction of initial exec sequence. const bool final = gsym == NULL || gsym->final_value_is_known(); @@ -10284,13 +10451,31 @@ Target_powerpc<size, big_endian>::Relocate::relocate( gold_assert(object->local_has_got_offset(r_sym, GOT_TYPE_TPREL)); value = object->local_got_offset(r_sym, GOT_TYPE_TPREL); } - value -= target->got_section()->got_base_offset(object); + if (r_type == elfcpp::R_PPC64_GOT_TPREL34) + value += target->got_section()->address(); + else + value -= target->got_section()->got_base_offset(object); } else { gold_assert(tls_type == tls::TLSOPT_TO_LE); - if (r_type == elfcpp::R_POWERPC_GOT_TPREL16 - || r_type == elfcpp::R_POWERPC_GOT_TPREL16_LO) + if (r_type == elfcpp::R_PPC64_GOT_TPREL34) + { + Insn* iview = reinterpret_cast<Insn*>(view); + uint64_t pinsn = elfcpp::Swap<32, big_endian>::readval(iview); + pinsn <<= 32; + pinsn |= elfcpp::Swap<32, big_endian>::readval(iview + 1); + // pld ra,sym@got@tprel@pcrel -> paddi ra,r13,sym@tprel + pinsn += ((2ULL << 56) + (-1ULL << 52) + + (14ULL << 26) - (57ULL << 26) + (13ULL << 16)); + elfcpp::Swap<32, big_endian>::writeval(iview, pinsn >> 32); + elfcpp::Swap<32, big_endian>::writeval(iview + 1, + pinsn & 0xffffffff); + r_type = elfcpp::R_PPC64_TPREL34; + value = psymval->value(object, rela.get_r_addend()); + } + else if (r_type == elfcpp::R_POWERPC_GOT_TPREL16 + || r_type == elfcpp::R_POWERPC_GOT_TPREL16_LO) { Insn* iview = reinterpret_cast<Insn*>(view - d_offset); Insn insn = elfcpp::Swap<32, big_endian>::readval(iview); @@ -10333,12 +10518,33 @@ Target_powerpc<size, big_endian>::Relocate::relocate( } else { + bool is_pcrel = false; + const int reloc_size = elfcpp::Elf_sizes<size>::rela_size; + elfcpp::Shdr<size, big_endian> shdr(relinfo->reloc_shdr); + size_t reloc_count = shdr.get_sh_size() / reloc_size; + if (relnum < reloc_count - 1) + { + Reltype next_rela(preloc + reloc_size); + unsigned int r_type2 + = elfcpp::elf_r_type<size>(next_rela.get_r_info()); + if ((r_type2 == elfcpp::R_PPC64_REL24_NOTOC + || r_type2 == elfcpp::R_PPC64_PLTCALL_NOTOC) + && next_rela.get_r_offset() == rela.get_r_offset()) + is_pcrel = true; + } Insn* iview = reinterpret_cast<Insn*>(view); - Insn insn = addi_3_3; - elfcpp::Swap<32, big_endian>::writeval(iview, insn); - r_type = elfcpp::R_POWERPC_TPREL16_LO; - view += d_offset; - value = psymval->value(object, rela.get_r_addend()); + if (is_pcrel) + { + elfcpp::Swap<32, big_endian>::writeval(iview, nop); + r_type = elfcpp::R_POWERPC_NONE; + } + else + { + elfcpp::Swap<32, big_endian>::writeval(iview, addi_3_3); + r_type = elfcpp::R_POWERPC_TPREL16_LO; + view += d_offset; + value = psymval->value(object, rela.get_r_addend()); + } } this->skip_next_tls_get_addr_call(); } @@ -10352,13 +10558,34 @@ Target_powerpc<size, big_endian>::Relocate::relocate( const tls::Tls_optimization tls_type = target->optimize_tls_ld(); if (tls_type == tls::TLSOPT_TO_LE) { + bool is_pcrel = false; + const int reloc_size = elfcpp::Elf_sizes<size>::rela_size; + elfcpp::Shdr<size, big_endian> shdr(relinfo->reloc_shdr); + size_t reloc_count = shdr.get_sh_size() / reloc_size; + if (relnum < reloc_count - 1) + { + Reltype next_rela(preloc + reloc_size); + unsigned int r_type2 + = elfcpp::elf_r_type<size>(next_rela.get_r_info()); + if ((r_type2 == elfcpp::R_PPC64_REL24_NOTOC + || r_type2 == elfcpp::R_PPC64_PLTCALL_NOTOC) + && next_rela.get_r_offset() == rela.get_r_offset()) + is_pcrel = true; + } Insn* iview = reinterpret_cast<Insn*>(view); - Insn insn = addi_3_3; - elfcpp::Swap<32, big_endian>::writeval(iview, insn); + if (is_pcrel) + { + elfcpp::Swap<32, big_endian>::writeval(iview, nop); + r_type = elfcpp::R_POWERPC_NONE; + } + else + { + elfcpp::Swap<32, big_endian>::writeval(iview, addi_3_3); + r_type = elfcpp::R_POWERPC_TPREL16_LO; + view += d_offset; + value = dtp_offset; + } this->skip_next_tls_get_addr_call(); - r_type = elfcpp::R_POWERPC_TPREL16_LO; - view += d_offset; - value = dtp_offset; } } else if (r_type == elfcpp::R_POWERPC_TLS) @@ -10368,15 +10595,40 @@ Target_powerpc<size, big_endian>::Relocate::relocate( const tls::Tls_optimization tls_type = target->optimize_tls_ie(final); if (tls_type == tls::TLSOPT_TO_LE) { - Insn* iview = reinterpret_cast<Insn*>(view); + Address roff = rela.get_r_offset() & 3; + Insn* iview = reinterpret_cast<Insn*>(view - roff); Insn insn = elfcpp::Swap<32, big_endian>::readval(iview); unsigned int reg = size == 32 ? 2 : 13; insn = at_tls_transform(insn, reg); gold_assert(insn != 0); - elfcpp::Swap<32, big_endian>::writeval(iview, insn); - r_type = elfcpp::R_POWERPC_TPREL16_LO; - view += d_offset; - value = psymval->value(object, rela.get_r_addend()); + if (roff == 0) + { + elfcpp::Swap<32, big_endian>::writeval(iview, insn); + r_type = elfcpp::R_POWERPC_TPREL16_LO; + view += d_offset; + value = psymval->value(object, rela.get_r_addend()); + } + else if (roff == 1) + { + // For pcrel IE to LE we already have the full offset + // and thus don't need an addi here. A nop or mr will do. + if ((insn & (0x3f << 26)) == 14 << 26) + { + // Extract regs from addi rt,ra,si. + unsigned int rt = (insn >> 21) & 0x1f; + unsigned int ra = (insn >> 16) & 0x1f; + if (rt == ra) + insn = nop; + else + { + // Build or ra,rs,rb with rb==rs, ie. mr ra,rs. + insn = (rt << 16) | (ra << 21) | (ra << 11); + insn |= (31u << 26) | (444u << 1); + } + } + elfcpp::Swap<32, big_endian>::writeval(iview, insn); + r_type = elfcpp::R_POWERPC_NONE; + } } } else if (!has_stub_value) @@ -10479,6 +10731,10 @@ Target_powerpc<size, big_endian>::Relocate::relocate( case elfcpp::R_PPC64_PLT_PCREL34: case elfcpp::R_PPC64_PLT_PCREL34_NOTOC: case elfcpp::R_PPC64_PCREL28: + case elfcpp::R_PPC64_GOT_TLSGD34: + case elfcpp::R_PPC64_GOT_TLSLD34: + case elfcpp::R_PPC64_GOT_TPREL34: + case elfcpp::R_PPC64_GOT_DTPREL34: case elfcpp::R_PPC64_REL16_HIGHER34: case elfcpp::R_PPC64_REL16_HIGHERA34: case elfcpp::R_PPC64_REL16_HIGHEST34: @@ -10524,6 +10780,7 @@ Target_powerpc<size, big_endian>::Relocate::relocate( case elfcpp::R_PPC64_TPREL16_HIGHERA: case elfcpp::R_PPC64_TPREL16_HIGHEST: case elfcpp::R_PPC64_TPREL16_HIGHESTA: + case elfcpp::R_PPC64_TPREL34: // tls symbol values are relative to tls_segment()->vaddr() value -= tp_offset; break; @@ -10546,6 +10803,7 @@ Target_powerpc<size, big_endian>::Relocate::relocate( case elfcpp::R_POWERPC_DTPREL: case elfcpp::R_PPC64_DTPREL16_HIGH: case elfcpp::R_PPC64_DTPREL16_HIGHA: + case elfcpp::R_PPC64_DTPREL34: // tls symbol values are relative to tls_segment()->vaddr() value -= dtp_offset; break; @@ -11011,6 +11269,12 @@ Target_powerpc<size, big_endian>::Relocate::relocate( case elfcpp::R_PPC64_PLT_PCREL34_NOTOC: case elfcpp::R_PPC64_D28: case elfcpp::R_PPC64_PCREL28: + case elfcpp::R_PPC64_TPREL34: + case elfcpp::R_PPC64_DTPREL34: + case elfcpp::R_PPC64_GOT_TLSGD34: + case elfcpp::R_PPC64_GOT_TLSLD34: + case elfcpp::R_PPC64_GOT_TPREL34: + case elfcpp::R_PPC64_GOT_DTPREL34: overflow = Reloc::CHECK_SIGNED; break; } @@ -11307,6 +11571,12 @@ Target_powerpc<size, big_endian>::Relocate::relocate( case elfcpp::R_PPC64_GOT_PCREL34: case elfcpp::R_PPC64_PLT_PCREL34: case elfcpp::R_PPC64_PLT_PCREL34_NOTOC: + case elfcpp::R_PPC64_TPREL34: + case elfcpp::R_PPC64_DTPREL34: + case elfcpp::R_PPC64_GOT_TLSGD34: + case elfcpp::R_PPC64_GOT_TLSLD34: + case elfcpp::R_PPC64_GOT_TPREL34: + case elfcpp::R_PPC64_GOT_DTPREL34: if (size == 32) goto unsupp; status = Reloc::addr34(view, value, overflow); |